2871392

Information

• Patent Grant
• 2871392

• References
• Source

• Patent Number

  2,871,392

• Date Filed

  Not available

• Date Issued

  Tuesday, January 27, 1959
  65 years ago

• CPC

  • H01J3/029 - Schematic arrangements for beam forming
  • C07D261/18 - Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen
  • C07D317/66 - Nitrogen atoms not forming part of a nitro radical
  • G09F7/00 - Signs, name or number plates, letters, numerals, or symbols Panels or boards
  • H01F7/02 - Permanent magnets [PM]
  • H01F7/0278 - for generating uniform fields, focusing, deflecting electrically charged particles
  • H01J23/00 - Details of transit-time tubes of the types covered by group H01J25/00
  • H01J23/065 - producing a solid cylindrical beam
  • H01J23/087 - Magnetic focusing arrangements
  • H01J23/0873 - with at least one axial-field reversal along the interaction space
  • H01J23/42 - the interaction circuit being a helix or a helix-derived slow-wave structure
  • H01J25/38 - the forward travelling wave being utilised
  • H01J29/38 - not using charge storage

• US Classifications

  • 315 - Electric lamp and discharge devices: systems